If you don't know the new owner and won't be setting it up for them, the best would be to flash the official version (1.06). Before you do that, however, you should do a "Reset everything" from the webend. This ensures that passwords, config files and your settings are deleted before you give it away.

Sorry I respond with 2 days late.Actually, my presence on this forum has been one of the longest lasting ever. Although I'm not using my wdtv everyday, I'm still visiting this forum everyday. I think I'll present it to my friend, but I'll revert to factory firmware.Thank you for your answer.